/* ===========================================================
   PERSONAL WEBSITE TEMPLATE
   Design tokens — edit here to change the site's colors / fonts
   =========================================================== */
:root {
  --paper:      #F6F8FB;
  --paper-alt:  #ECF1F8;
  --ink:        #142335;
  --ink-soft:   #52657C;
  --accent:     #1D5FA6;
  --accent-soft: #4FA3D1;
  --line:       #D7E1EE;

  --font-display: "Montserrat", -apple-system, sans-serif;
  --font-body:    "Roboto", -apple-system, sans-serif;

  --max-width: 780px;
  --radius: 3px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 76px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.4em;
  color: var(--ink);
}

h2 {
  font-size: 1.7rem;
  margin-bottom: 1.4rem;
  position: relative;
  padding-bottom: 0.5rem;
}
h2::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 40px; height: 2px;
  background: var(--accent);
}

h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; color: var(--ink); }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .15s ease;
}
a:hover, a:focus-visible { border-bottom-color: var(--accent); }

ul { padding-left: 1.2em; margin: 0.5em 0; }
li { margin-bottom: 0.35em; }

img { max-width: 100%; display: block; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 248, 251, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  border-bottom: none;
}
.site-nav {
  display: flex;
  gap: 24px;
}
.site-nav a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  border-bottom: none;
}
.site-nav a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--ink);
}

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: 48px;
  padding: 88px 24px 72px;
}
.eyebrow-plain {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin: 0 0 0.3em;
}
.hero-text h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  margin-bottom: 0.25em;
  white-space: nowrap;
}
.hero-role {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin-bottom: 0.9em;
}
.hero-quote {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--accent);
  border-left: 2px solid var(--accent-soft);
  padding-left: 14px;
  margin-bottom: 1.6em;
}
.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 0.5rem;
}
.social-link {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  transition: all 0.2s ease;
  box-shadow: 0 6px 18px rgba(20, 35, 53, 0.06);
}
.social-link svg {
  width: 18px;
  height: 18px;
  fill: var(--ink);
  transition: fill 0.2s ease;
}
.social-link:hover,
.social-link:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(29, 95, 166, 0.12);
}
.social-link:hover svg,
.social-link:focus-visible svg {
  fill: #fff;
}
.contact-links { margin-top: 0.25rem; }
.cv-link { width: 50px; height: 50px; }

.hero-photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius);
  filter: grayscale(15%);
}

/* ---------- Sections ---------- */
.section { padding: 72px 24px; }
.section.alt { background: var(--paper-alt); }
.section-intro { color: var(--ink-soft); margin-bottom: 2em; }

/* ---------- Timeline (Education / Experience) ---------- */
.timeline {
  list-style: none;
  margin: 0; padding: 0;
  border-left: 2px solid var(--line);
}
.timeline-item {
  position: relative;
  padding: 0 0 2.2em 28px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -7px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--accent);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-date {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--accent-soft);
  font-weight: 600;
  margin-bottom: 0.3em;
}
.timeline-org {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 0.5em;
}

/* ---------- Projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.project {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.project img { aspect-ratio: 16/10; object-fit: cover; }
.project-body { padding: 18px 20px 22px; }
.tags {
  font-size: 0.82rem;
  color: var(--accent-soft);
  letter-spacing: 0.02em;
}

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}
.gallery-grid figure {
  margin: 0;
  cursor: pointer;
}
.gallery-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform 0.25s ease, filter 0.25s ease;
}
.gallery-grid figure:hover img {
  transform: translateY(-2px);
  filter: brightness(1.02);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 20, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 2000;
}
.lightbox.open {
  display: flex;
}
.lightbox img {
  max-width: min(92vw, 1100px);
  max-height: 90vh;
  border-radius: 18px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
}
.lightbox-close,
.lightbox-arrow {
  position: absolute;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox-close {
  top: 20px;
  right: 24px;
}
.lightbox-arrow {
  top: 50%;
  transform: translateY(-50%);
}
.lightbox-arrow-left {
  left: 24px;
}
.lightbox-arrow-right {
  right: 24px;
}

/* ---------- Contact ---------- */
.contact-wrap { text-align: left; }

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 1.5rem;
}

.contact-list a {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.contact-list a:hover,
.contact-list a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- Footer ---------- */
.site-footer {
  padding: 28px 24px 34px;
  border-top: 1px solid var(--line);
  text-align: center;
}
.site-footer p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }
  .hero-photo { max-width: 220px; margin: 0 auto; }
  .site-nav {
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 12px 24px 20px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .nav-toggle { display: flex; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}